63628385313 has 16 divisors (see below), whose sum is σ = 87670351296. Its totient is φ = 41022206400.

The previous prime is 63628385309. The next prime is 63628385333. The reversal of 63628385313 is 31358382636.

It is not a de Polignac number, because 63628385313 - 2² = 63628385309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63628385333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2428770 + ... + 2454827.

It is an arithmetic number, because the mean of its divisors is an integer number (5479396956).

Almost surely, 2^63628385313 is an apocalyptic number.

It is an amenable number.

63628385313 is a deficient number, since it is larger than the sum of its proper divisors (24041965983).

63628385313 is a wasteful number, since it uses less digits than its factorization.

63628385313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4883744.

The product of its digits is 1866240, while the sum is 48.

The spelling of 63628385313 in words is "sixty-three billion, six hundred twenty-eight million, three hundred eighty-five thousand, three hundred thirteen".